公开(公告)号：US20240401514A1

公开(公告)日：2024-12-05

申请号：US18718643

申请日：2022-12-28

Applicant: TOPURA CO., LTD.

Inventor： Shinya Yamamoto ,  Hiroshi Suzuki ,  Mayumi Matsuno ,  Masanari Kobayashi ,  Takenori Okawa ,  Kei Endo ,  Daisuke Kitahara

IPC: F01N13/18

Abstract: A fastening member includes: a fastening main body section; and a coil spring assembled with the fastening main body section. The fastening main body section includes a threaded section configured to be coupled to a coupling target, a shaft section extending from one end of the threaded section, a head section provided on a side of the shaft section opposite to the threaded section side, the head section having a maximum diameter greater than an inner diameter of the coil spring, a stepped section provided between the shaft section and the head section, and a locking section provided in the stepped section or the head section and configured to lock the coil spring. The coil spring is configured to be inserted into the shaft section and the stepped section, and be locked to the locking section.